2666640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:328

約数の個数: 80

約数和(自身を含む): 8499456

約数和(自身を除く): 5832816

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 164, 205, 240, 246, 271, 328, 410, 492, 542, 615, 656, 813, 820, 984, 1084, 1230, 1355, 1626, 1640, 1968, 2168, 2460, 2710, 3252, 3280, 4065, 4336, 4920, 5420, 6504, 8130, 9840, 10840, 11111, 13008, 16260, 21680, 22222, 32520, 33333, 44444, 55555, 65040, 66666, 88888, 111110, 133332, 166665, 177776, 222220, 266664, 333330, 444440, 533328, 666660, 888880, 1333320, 2666640]

約数ペア:

[(1, 2666640), (2, 1333320), (3, 888880), (4, 666660), (5, 533328), (6, 444440), (8, 333330), (10, 266664), (12, 222220), (15, 177776), (16, 166665), (20, 133332), (24, 111110), (30, 88888), (40, 66666), (41, 65040), (48, 55555), (60, 44444), (80, 33333), (82, 32520), (120, 22222), (123, 21680), (164, 16260), (205, 13008), (240, 11111), (246, 10840), (271, 9840), (328, 8130), (410, 6504), (492, 5420), (542, 4920), (615, 4336), (656, 4065), (813, 3280), (820, 3252), (984, 2710), (1084, 2460), (1230, 2168), (1355, 1968), (1626, 1640)]